Windows 10: I am locked out of my computer and microsoft accoumt does not exist !

Hello, Just a regular day , i am logging i to my laptop to have an error indicatimgmicrosoft account does not exist! My microsoft account ia *** Email address is removed for privacy *** , it appears the massege microsoft account does not exist! And then i tried logging in with my hotmail, it shows me logging in then the screen freezes and i get back to the start page to log in again! I can not access my laptop and it hase important information and work i need! I tried all solutions and debugging but i cant access through

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Random Auto-Locking of Computer Screen

Nobody suggested checking out Event Viewer?

When your computer randomly locks, search for, and open: Event Viewer

Under Windows Logs, Check out:
• Application
• Security, and
• System

See if you can find something that states anything that could be related to your computer locking. The newest events are listed at the top of each section, so finding an event log would be pretty easy to find. Hopefully we can find what is causing the computer to lock.

 

computer keeps locking up...

him your computer locks up.... check what your running and see if it affects it cause this shouldn't happen it could be your ram or your mouse but i'm just giving a suggestion

 

Microsoft account does not exist error - but it does exist...

Another example of my confusion:

Step 1: Windows/Start button is pressed in the bottom left.

Step 2: Above "Power", "Settings", "Pictures" and "Documents" is my account/email address that I'm currently using to post this question with (which also is the Microsoft account I have my 365 subscription tied to). I click on my account with my personalized icon.

Step 3: Above "Sign out" and "Lock" is "Change account settings" which I click.

Step 4: I'm brought to "Your info" which has my personalized icon, correct email address, listed as the administrator too. I select "Manage my Microsoft account" and am taken to account.microsoft.com and logged in to the same correct email/account. I can see on this page my 365 family subscription is still active and fine.

Step 5: I go back to the "Your info" pop up settings window and below "Manage my Microsoft account" is another link to "Verify", of which I click.

Step 6: The small Microsoft Sign in window appears with prepopulated text saying that the same exact email address that I'm signed in on my computer using, (of which has active 365 subscription and has no issues seen on account.microosft.com when I log in) doesn't exist. The exact text is as follows and red: "That Microsoft account doesn't exist. Enter a different account or get a new one."

Step 7: When trying to re-enter the same email address, and clicking "Next" in the bottom right of the window, the red text persists that the account doesn't exist.

I can't comprehend how my correct email address which has Microsoft subscriptions simply can't be found or 'doesn't exist'.

Apologies for the long-winded questions, but I'm trying to be as thorough as possible so that anyone can review this and hopefully have a better understanding of the issues I'm having. I'm getting a bit desperate to have this sorted out and any solutions would be extremely valuable to me.